Reproductive System

Question 1

What are the male and female gametes?

Answer 1

Male = Spermatozoa (Sperm)
Female = Oocyte (egg)

Question 2

Are gametes haploid or diploid cells?

Answer 2

Haploid

Question 3

What are the male gonads and what is their function?

Answer 3

Testis; Sperm production

Question 4

What are the female goods and what is their function?

Answer 4

Ovaires; Oocyte production

Question 5

What happens during fertilisation?

Answer 5

Combination of male and female gametes to produce a diploid zygote

Question 6

Where does normal fertilisation take place?

Answer 6

Ampulla of the uterine/fallopian tube

Question 7

What separates the pelvic cavity and the perineum?

Answer 7

Pelvic floor - and internal wall of skeletal muscle

Question 8

Is the perineum inferior or superior to the pelvic floor?

Answer 8

Inferior

Question 9

Which openings are there in the pelvic floor?

Answer 9

Distal alimentary, renal and reproductive tracts pass through

Question 10

What is the pelvic roof formed by?

Answer 10

Parietal peritoneum

Question 11

What is the lining of the abdominal cavity?

Answer 11

Parietal peritoneum

Question 12

What is the most anterior structure in males?

Answer 12

The bladder (sometimes called the vesicle)

Question 13

What are the female reproductive organs?

Answer 13

Ovaries

Question 14

What are the accessory reproductive organs?

Answer 14

Uterine tubes, uterus and vagina

Question 15

What are the 3 layer of the uterus wall?

Answer 15

Perimetrium
Myometrium
Endometrium

Question 16

Which layer of the uterus wall is shed during menstruation?

Answer 16

Endometrium

Question 17

Where does the ova develop?

Answer 17

ovaries

Question 18

How many ovums are released from the surface of the ovary into the peritoneal cavity per menstrual cycle?

Answer 18

1

Question 19

The ovum is gathered by fimbriae into the ____ of the uterine tube

Answer 19

Infundibulum

Question 20

The ovum is moved along the uterine tube by___?

Answer 20

cilia

Question 21

During menstruation and unfertilised ovum is expelled by contractions of the ______

Answer 21

Myometrium

Question 22

What is an ectopic pregnancy?

Answer 22

Fertilised ovum implants outwit the uterine cavity

Question 23

What is the danger of ectopic pregnancy

Answer 23

Danger of haemorrhage

Question 24

How does voluntary female sterilisation occur?

Answer 24

Tubal ligation of both uterine tubes – clipped, cut or cauterised – to block the lumen

Question 25

Can female sterilisation be reversed?

Answer 25

Not designed - possible if done microscopically

Question 26

What is the anatomical position of the penis?

Answer 26

Erect

Question 27

What is the function of the urethra?

Answer 27

Passing of urine AND ejaculation of sperm

Question 28

Where do the testis originate during development?

Answer 28

Posterior wall of the abdominal cavity

Question 29

The testes descend into the scrotum by birth through the_________

Answer 29

anterior abdominal wall - inguinal canal

Question 30

What is the tube that sperm pass through following the testis into the scrotums?

Answer 30

The vas (deferens)

Question 31

Where is sperm produced?

Answer 31

Seminiferous tubules

Question 32

What is the temperature in the scrotum?

Answer 32

Approximately 1°C below core body temperature

Question 33

Where does sperm pass to from the testis? (2 steps towards vas)

Answer 33

Rete testis and then into the epididymis which becomes the vas deferent

Question 34

What adaptation of the scrotum allows reaction to changes in temperature?

Answer 34

Surrounded by smooth muscle - can contract/relax accordingly

Question 35

What does the spermatic cord contain?

Answer 35

Vas deferens Testicular artery Pampiniform plexus of veins

Question 36

What is testicular torsion and why is it dangerous?

Answer 36

Twisting of the spermatic cord Disrupts blood supply causing severe pain Danger of testicular necrosis

Question 37

How is having a plexus of veins an adaptation?

Answer 37

Allows exchange of heat optimising the environment for the product not spermatozoa

Question 38

What causes erection? Sympathetic or parasympathetic control?

Answer 38

parasympathetic control

Question 39

What happens during erection?

Answer 39

Arteries widen and since the outer fibrous part doesn't really expand much the vein is restricted preventing blood flowing back; causing an erection

Question 40

What are the male reproductive organs?

Answer 40

Testis

Question 41

What are the male accessory reproductive organs?

Answer 41

Vas deferens, seminal glands, prostate gland and penis

Question 42

The urethra opens at the ______ of the penis

Answer 42

External urethral meatus

Question 43

Where does each vas deferent lie within?

Answer 43

Spermatic cord

Question 44

Each spermatic cor passes through the anterior abdominal wall within the ________ to reach the pelvic cavity

Answer 44

inguinal canal

Question 45

The vas deferent connects with the duct from a seminal gland to form an _______ containing semen

Answer 45

Ejaculatory duct

Question 46

The right and left ejaculatory ducts join together within the prostate gland and drain into the ___

Answer 46

urethra